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authorRafael J. Wysocki <rjw@sisk.pl>2011-12-23 01:24:25 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-25 23:39:50 +0100
commit9ee27ffbe303ce18e7336115f1d443e9911eba53 (patch)
tree9ec445eecfeece0ab1ec2e6b6f2ac7478c917373 /drivers/gpu/drm/radeon
parent40a5f8be2f482783de0f1f0fe856660e489734a8 (diff)
downloadblackbird-op-linux-9ee27ffbe303ce18e7336115f1d443e9911eba53.tar.gz
blackbird-op-linux-9ee27ffbe303ce18e7336115f1d443e9911eba53.zip
PM / input / touchscreen: Make st1232 use device PM QoS constraints
Make the st1232 driver use dev_pm_qos_add_ancestor_request() to add a device PM QoS latency constraint for the controller it depends on, so that the controller won't go into an overly deep low-power state when the touchscreen has to be particularly responsive (e.g. when the user moves his or her finger on it). This change is based on a prototype patch from Guennadi Liakhovetski. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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